During the process to place an order a user will have to enter their delivery address details. In the example the user has to complete the name field as it is showing in red indicating that it is a compulsory field. The address details can be amended to suit your working arrangements.
You can only have one address form associated with a portal. However, if you have several portals, you can design a specific address form to be associated with each portal. The address form can be updated and saved to your portal at any time.